Answers for "how to update a column in mysql"

SQL
2

update all rows mysql

UPDATE tableName SET columnName = yourValue;
#to update multiple columns:
UPDATE tableName SET column1 = value1, column2 = value2; #and so on
Posted by: Guest on March-14-2020
1

change column in mysql

#Alter is used
#alter table TableName change CurrentColumnName NewColumnName Specification(size);
alter table TableName change name firstname varchar(30);
Posted by: Guest on April-20-2021
1

update column mysql with alter

ALTER TABLE table_name
  MODIFY column_name column_definition
    [ FIRST | AFTER column_name ];
Posted by: Guest on January-28-2021

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